FF considers implantation spotting and implantation dips as retrospective signs. That is, that it is only when you get a BFP that you can POSSIBLY say that is what it was.

A dip at 7 - 10 days is not necessarily an implantation dip. A bleed at 7 - 10 days is not necessarily an implantation bleed. You can be pregnant with either or both, you can be pregnant WITHOUT either or both. Don't read too much into it until you get a BFP.

Lisa